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Old Jan 30, 2005 | 09:55 AM
  #1  
Konnan101's Avatar
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I'm new to the whole deading thing, never done it before, but the rattling in my doors from my midbasses (image dynamics 6.5 chameleons) is driving me crazy, i have looked at e designs deadening products, and i liek the price, and how they are said to perform. I am curious though as to which would be easier and more effective for deadening doors in a 1996 chevy tahoe 4 door. The liquid or one of the two mat products.

Also i need some help with the install so i was wonderign if anyone could send me any tutorials or links to deadining doors. thanks a bunch
Old Feb 1, 2005 | 09:56 AM
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damping - yes there is such a thing
deadening - is a marketing term, I really do not know what it means (not an ASTM standard)
Old Feb 2, 2005 | 07:54 PM
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Lots of good products out there to get you where you want to go brown bread, dynamat, cascade, b-quiet, spray on stuff etc. It really depends on $ and availability. And it also depends on what is causing the rattle...
Old Feb 2, 2005 | 09:54 PM
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Buy gloves......................helps with burns and cuts big time !
Old Feb 3, 2005 | 10:31 AM
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Originally posted by JohnVroom:
damping - yes there is such a thing
deadening - is a marketing term, I really do not know what it means (not an ASTM standard)
I would define damping as mass loading an object to lower its resonant frequency... I would define deadening as the absorbtion of accoustical energy... (to make heat)


One major purpose of using matt in your doors is seperating the rear wave from the speaker from the front..
Old Feb 3, 2005 | 01:45 PM
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Deadening is a generalised term that is potentially imprecise (and is intended in ad copy to think your car will be dead quiet or sonically inert). I understand the term but it really misleads the consumer to think "this is all I need" when a SINGLE product is only part of an overall acoustical solution.

Haunz you definition is essentially for attenuation

Sorry... pet peeve
Old Feb 3, 2005 | 09:35 PM
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In my opinion, the largest benefit of using a "sound deadening" type of product in an automobile is to help lower noise your car generates: Tire noise, engine noise, road noise, wind noise etc.
Old Feb 4, 2005 | 04:29 AM
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The Dynamat website posts freq response numbers of their product and it does very well in attenuating the low freq where it is applied. I am not recommending Dynamat over the competitors BTW though it is a very good product. You should attack the issues you have so if there is HF or Mid freq noise try stuff designed to work that frequency band.

Door rattles is your initial complaint and the Dynamat/ Brown Bread/ b-quiet/ cascade stuff should address that nicely. I am investigating some spray on products that dry semi rigid so they also should perform this task.



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